"Criminal Minds" is coming back for another season, just two years after its final episode aired. The revival will feature original cast members reprising their roles, except for Matthew Gray Gubler. As we anticipate the new season, let's take a look back at some of the notable celebrity cameos on the show. Jane Lynch had a recurring role as Spencer Reid's mother, while Luke Perry played a cult leader. Mark Hamill made an appearance as a serial killer known as "The Replicator."
Amber Heard played a Hollywood starlet, and Aaron Paul played the leader of a Satanic teen group. Sterling K. Brown appeared as a US embassy security officer, and Gina Torres played a detective.
